'Fore-topmast' definitions:

Definition of 'fore-topmast'

(from WordNet)
noun
The topmast next above the foremast

Definition of 'Fore-topmast'

From: GCIDE
  • Fore-topmast \Fore`-top"mast\, n. (Naut.) The mast erected at the head of the foremast, and at the head of which stands the fore-topgallant mast; the mast next above the foremast. See Ship. [1913 Webster]